Using a reference line
A reference line is simply a line that gets drawn on a chart that represents another measure or point of reference. Reference lines can be useful in providing context to the related chart. For example, a line showing the median will visually show the difference of each mark in the chart relative to the median.
In this recipe, we will show some of the top movie genres from 2007-2011 based on worldwide gross amount and add reference lines to show the average overall and average per year:
Getting ready
To follow this recipe, open B05527_06 – STARTER.twbx. Use the worksheet called Reference Line, and connect to the HollywoodsMostProfitableStories ...
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